1654 search results - page 88 / 331 » Ontology Based Query Processing in Database Management Syste... |
123
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IS
2007
15 years 3 months ago
2007
Despite the importance of ranked queries in numerous applications involving multi-criteria decision making, they are not efficiently supported by traditional database systems. In ...
266
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Publication
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...
114
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CLEF
2003
Springer
15 years 8 months ago
2003
Springer
: The basic line of our action is first to use natural language processing to prune the texts and the query, and secondly to use an ontology to expand the queries. Last year The sy...
144
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ADBIS
2006
Springer
15 years 9 months ago
2006
Springer
Abstract. In this paper, we identify issues and present solutions developed – both theoretical and experimental – during the course of developing a data stream management syste...
129
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PODS
2007
ACM
16 years 3 months ago
2007
ACM
Event processing systems have wide applications ranging from managing events from RFID readers to monitoring RSS feeds. Consequently, there exists much work on them in the literat...